| Abstract: | Joint epicenter determination of earthquakes that occurred in northern Algeria near Ech Cheliff (named Orleansville in 1954 and El Asnam in 1980) shows that the earthquake of 9 September 1954 (M=6.5) occurred at nearly the same location as the earthquake of 10 October 1980 (M=7.3). The 1954 main shock and earliest aftershocks were concentrated close to the boundaries of segment B (nomenclature of Deschamps et al., 1982; King and Yielding, 1984) of the 1980 fault system, which was to experience approximately 8 m of slip in the 1980 earthquake. Later aftershocks of the 1954 earthquake were spread over a broad area, notably in a region north of the 1980 fault system that also experienced many aftershocks to the 1980 earthquake. The closeness of the 1954 main shock and earliest aftershocks to the 1980 segment B implies that the 1954 earthquake involved either 1) rupture of segment B proper, or 2) rupture of a distinct fault in the hanging wall of footwall block of segment B. -from Author |
| Genre: | Article |
| ProdID: | 70016773 |
| Citation Author: | Dewey, J. W. |
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| Citation End Page: | 467 |
| Citation Issue: | 2 |
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| Citation Language: | English |
| Citation Larger Work Title: | Bulletin - Seismological Society of America |
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| Citation Number Of Pages: | 22 |
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| Citation Search Results Text: | The 1954 and 1980 Algerian earthquakes: implications for the characteristic-displacement model of fault behavior; 1991; Article; Journal; Bulletin - Seismological Society of America; Dewey, J. W. |
| Citation Start Page: | 446 |
| Citation Volume: | 81 |
| Citation Year: | 1991 |
| Type: | citation/reference |
| Text: | The 1954 and 1980 Algerian earthquakes: implications for the characteristic-displacement model of fault behavior; 1991; Article; Journal; Bulletin - Seismological Society of America; Dewey, J. W. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| Date Other: | Tue, 1 Jan 1991 00:00 -0600 |
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